Control your engine’s temper. Extreme temps and extended amounts of driving put a lot of pressure on your heating and cooling systems. Which is why PEAK created quality antifreeze/coolant—so you can easily flush and fill your radiator, and always keep your engine chillin’ at a comfy temperature.
Being a car care aficionado goes far beyond quad-coat wax jobs and regular oil changes. You have to show your radiator some love too by periodically flushing your antifreeze/coolant. How do you do a radiator flush? We’re glad you asked.
SEE HOW IT’S DONEWhat is antifreeze/coolant? What does it do? When should you change your antifreeze?Find out the answers to these DIY antifreeze maintenance questions—and a whole lot more.
DISCOVER IT ALLFormulated to meet or exceed the performance requirements for every vehicle make and model
Antifreeze/CoolantWatch PEAK flex its antifreeze/coolant muscles. Reading about antifreeze/coolant is fun (right?), but PEAK has made learning about how to flush your radiator even “funner.”
You ask. We tell. Learn the ins and outs of PEAK Antifreeze/Coolant in this informative Q&A breakdown.
1) Before starting, locate the radiator, coolant overflow reservoir, and pressure cap. The reservoir will be located at a high location on either side of the engine and may be near the radiator or at the back of the engine near the windshield.
2) The cooling system pressure cap may be on a remote overflow reservoir if not on the radiator.
Pressure Cap on or Near the Radiator (Typical on older vehicle models)
CAUTION: DO NOT REMOVE PRESSURE CAP WHEN ENGINE IS HOT.
Pressure Cap on the Overflow Reservoir (Typical on newer vehicles)
CAUTION: DO NOT REMOVE PRESSURE CAP WHEN ENGINE IS HOT.
Periodically check coolant level and freeze protection.
For more information and videos on engine coolant maintenance, check out our DIY videos.
Follow these directions when using an antifreeze concentrate product.
DRAIN/FLUSH/FILL
CAUTION: DO NOT REMOVE PRESSURE CAP WHEN ENGINE IS HOT.
Check vehicle owner’s manual for coolant capacity and specific cooling system maintenance recommendations.
Notes: 1) The cooling system pressure cap may be on a remote overflow reservoir if not on the radiator. 2) Draining the system from the radiator may leave a significant amount of old coolant and flush water behind. Compensate for this when adding coolant. 3) Before starting, locate radiator drain valve (if equipped) and lower radiator hose.
DRAIN/FLUSH/FILL
For Drain/Flush/Fill antifreeze/coolant maintenance, use PEAK Antifreeze + Coolant concentrate to ensure the right finished concentration is achieved. Follow instructions for Drain/Flush/Fill provided for antifreeze concentrate products.
Periodically check coolant level and freeze protection.
CAUTION: DO NOT REMOVE PRESSURE CAP WHEN ENGINE IS HOT.
Prepare a 50 to 70% mixture of Antifreeze + Coolant concentrate and water. Add mixture to the overflow reservoir to the level marked on the tank.
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DIRECTIONS Follow these directions when using a 50/50 pre-diluted antifreeze product.
Check vehicle owner’s manual for specific cooling system maintenance recommendations.
TOP-OFF
CAUTION: DO NOT REMOVE PRESSURE CAP WHEN ENGINE IS HOT.
Note: The pressure cap may be on a remote overflow reservoir if not on the radiator.
Remove pressure cap and add PEAK 50/50 Prediluted Antifreeze + Coolant to the overflow reservoir to the level marked on the tank. Replace cap.
Periodically check radiator and reservoir coolant levels and freeze protection, and top off as needed.
In a nutshell, antifreeze is mixed with the water in your radiator to prevent the water from freezing in the winter and boiling over in the summer. By keeping the water at a “comfortable” temperature, your engine will also run at the perfect temperature—further protecting your ride.
When using a Long Life formula your vehicle’s antifreeze should typically be flushed every 5 years or approximately every 150,000 miles. PEAK’s Global formula is guaranteed to last the life your vehicle once a complete flush and fill is performed. However, always refer to your owner’s manual for recommended maintenance schedules.
Flushing your own radiator is easier than it sounds. Here’s an easy, step-by-step tutorial.
It’s a normal jump for your brain to think that water would dilute antifreeze. After all, water dilutes everything else it’s mixed with, right? Fact is, water is necessary for antifreeze to go to work. It’s never recommended to use antifreeze at full strength. Always refer to the instructions on your bottle of PEAK antifreeze, as well as your owner’s manual for proper maintenance schedules.
PEAK’s products are sensitive to all types of cars, as well as to the environment. This is why PEAK has created a full line of Antifreeze + Coolants – from traditional, full-strength antifreezes perfect for all cars worldwide to extended-life antifreeze and products designed for trucks with special needs, as well as eco-friendly products, too.
To find which is best for your car or truck, check out PEAK’s Product Finder tool or refer to your owner’s manual.
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